NASA illustration showing a neutron star, about 20 kilometres across, compared with Manhattan Island. Image: NASA's Goddard Space Flight Center. A neutron star is one of the few objects in astronomy ...
Lay every continent and island on the planet side by side, and the total land area comes to roughly 149 million square kilometres. The Pacific Ocean, by most accounts, is larger than that. You could ...
A pocket of dark blue water beneath ice on Earth. Photo by wal_ 172619 via Pexels; this is a representative image, not a photograph of a moon. Liquid water is not confined to Earth or to worlds close ...
Conceptual artwork of a distant planet. Image by Rodolfo Boscan via Pexels. This is a representative illustration, not an observed image or scientific reconstruction of LHS 1140 b. A planet 48 ...
Thousands of kilometres beneath the cloud tops of Neptune and Uranus, the pressure is thought to do something extraordinary to carbon. It crushes it into diamond. Those diamonds, denser than the ...
In 1981, astronomers stumbled onto what looked, at the time, like the largest hole ever found in the universe. It didn’t turn up in a telescope. It turned up on a bar chart. Four astronomers, Robert ...
About 66 million years ago, an asteroid roughly 10 to 12 kilometres across struck a shallow, sulfur-rich carbonate platform near what is now Chicxulub, on Mexico’s Yucatán Peninsula. It opened a ...
The headline claim, in the form it usually arrives, is that Saturn’s rings are around 400 million years old. The actual finding, published by Sascha Kempf and colleagues in Science Advances in May ...
The starburst etched into the lower-left corner of Voyager’s Golden Record cover is neither decoration nor a picture of an explosion. Fourteen of its rays extend from the Solar System towards pulsars, ...
SpaceX lofted another batch of classified U.S. spy satellites into orbit Monday night, extending a buildout of the National Reconnaissance Office’s distributed surveillance network that has now become ...
Voyager 1, the first human-made object to cross into interstellar space, carries a gold-plated copper phonograph record holding music, spoken greetings, and the sounds of Earth. The popular ...
Illustration of a deep-space probe among the stars. Image: Paul Seling / Pexels. In late 2023, one of the most distant machines humanity has ever built started talking nonsense. Voyager 1, more than ...
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